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| - | ====== Quantum and classical correlations in solid state systems ====== | + | ====== Quantum information in condensed matter systems ====== |
| - | This research is led by profs. Marcelo Sarandy and Thiago R. Oliveira. | + | This research is led by profs. [[people:sarandy|Marcelo Sarandy]], [[people:tro|Thiago R. Oliveira]] and [[https://sites.google.com/site/mohammadalirajabpour/home|Mohammad Rajabpour]] * [[http://lattes.cnpq.br/0509371840001622|Fernando Iemini]]\\ |
| - | ===== Quantifying correlations in quantum information theory ===== | + | |
| - | {{ tripartite.png?100}} | + | |
| - | * Multipartite entanglement and monogamy relations | + | |
| - | Recent paper:\\ | + | =====Quantum correlations and applications in many-body systems===== |
| - | Monogamy inequality and residual entanglement of three qubits under decoherence. de Oliveira; //Phys. Rev. A// **80**, 022331 (2009). | + | The aim of this research area is the investigation of entanglement, |
| + | nonlocality, and other quantum correlations (such as quantum discord) | ||
| + | in multi-particle quantum systems. Topics of interest include quantum | ||
| + | phase transitions in condensed matter systems, characterization of | ||
| + | quantum protocols through the collective correlation behavior, | ||
| + | thermalization of pure quantum states, and quantum thermodynamics. \\ | ||
| + | \\ | ||
| + | Selected publications:\\ | ||
| + | * F. M. Paula, P. C. Obando, M. S. Sarandy, {{ ::Sarandy-ref-1.jpg?210|}} | ||
| + | [[http://journals.aps.org/pra/abstract/10.1103/PhysRevA.93.042337| | ||
| + | Non-Markovianity through multipartite correlation measures]], //Phys. Rev. A // **93**, 042337 | ||
| + | (2016).\\ | ||
| + | * H. C. Braga, C. C. Rulli, T. R. de Oliveira, M. S. Sarandy, | ||
| + | [[http://journals.aps.org/pra/abstract/10.1103/PhysRevA.90.042338 | ||
| + | |Maxwell's demons in multipartite quantum correlated systems]], | ||
| + | // Phys. Rev. A // **90**, 042338 (2014).\\ | ||
| + | * F. M. Paula, I. A. Silva, J. D. Montealegre, A. M. Souza, E. R. | ||
| + | deAzevedo, R. S. Sarthour, A. Saguia, I. S. Oliveira, D. O. | ||
| + | Soares-Pinto, G. Adesso, M. S. Sarandy, | ||
| + | [[http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.111.250401| | ||
| + | Observation of environment-induced double sudden transitions in | ||
| + | geometric quantum correlations]], {{ pt.png?210}} | ||
| + | // Phys. Rev. Lett. // **111**, 250401 (2013).\\ | ||
| + | * T. R. de Oliveira, A. Saguia, M. S. Sarandy, | ||
| + | [[http://iopscience.iop.org/article/10.1209/0295-5075/100/60004/meta| | ||
| + | Nonviolation of Bell's Inequality in Translation Invariant Systems]], | ||
| + | // EPL // **100**, 60004 (2012).\\ | ||
| + | * J. Maziero, H. C. Guzman, L. C. Céleri, M. S. Sarandy, R. M. Serra, | ||
| + | [[http://journals.aps.org/pra/abstract/10.1103/PhysRevA.82.012106| | ||
| + | Quantum and classical thermal correlations in the XY spin-1/2 chain]], \\ | ||
| + | //Phys. Rev. A// **82**, 012106 (2010).\\ | ||
| + | * M. S. Sarandy, | ||
| + | [[http://journals.aps.org/pra/abstract/10.1103/PhysRevA.80.022108| | ||
| + | Classical correlation and quantum discord in critical systems]], | ||
| + | //Phys. Rev. A// **80**, 022108 (2009). | ||
| - | ===== Correlations in quantum critical systems===== | + | ===== Quantifying entanglement in quantum information theory ===== |
| - | {{ pt.png?200}} | + | {{ tripartite.png?100}} |
| - | * Bipartite and multipartite entanglement and correlations in quantum phase transitions | + | * Quantification of bipartite and multipartite entanglement, as well as monogamy relations. |
| + | \\ | ||
| + | Selected publications:\\ | ||
| - | Recent papers:\\ | + | * Thiago R. de Oliveira, |
| - | + | [[http://journals.aps.org/pra/abstract/10.1103/PhysRevA.80.022331| | |
| - | Entanglement dynamics via geometric phases in quantum spin chains. Castro, Sarandy, Phys. Rev. A **83**, 042334 (2011).\\ | + | Monogamy inequality and residual entanglement of three qubits under decoherence]], |
| - | + | //Phys. Rev. A// **80**, 022331 (2009).\\ | |
| - | Quantum and classical thermal correlations in the XY spin-1/2 chain. Maziero et al.; //Phys. Rev. A// **82**, 012106 (2010).\\ | + | * C. S. Castro, M. S. Sarandy, |
| - | + | [[http://journals.aps.org/pra/abstract/10.1103/PhysRevA.83.042334| | |
| - | Nonadditive entropy for random quantum spin-S chains. Saguia,Sarandy; //Phys. Lett. A// **374**, 3384 (2010).\\ | + | Entanglement dynamics via geometric phases in quantum spin chains]], |
| - | + | // Phys. Rev. A // **83**, 042334 (2011).\\ | |
| - | Entanglement and local extremes at an infinite-order quantum phase transition. Rulli, Sarandy; //Phys. Rev. A// **81**, 032334 (2010).\\ | + | * C. C. Rulli, M. S. Sarandy, |
| - | + | [[http://journals.aps.org/pra/abstract/10.1103/PhysRevA.81.032334| | |
| - | Classical correlation and quantum discord in critical systems. Sarandy; //Phys. Rev. A// **80**, 022108 (2009). | + | Entanglement and local extremes at an infinite-order quantum phase transition]], |
| + | //Phys. Rev. A// **81**, 032334 (2010).\\ | ||
| ===== Many-particle approximation schemes ===== | ===== Many-particle approximation schemes ===== | ||
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| ===== The role of entanglement in the thermalization process ===== | ===== The role of entanglement in the thermalization process ===== | ||
| - | Recent papers:\\ | + | Selected publications:\\ |
| Typicality in random matrix product states. Garnerone, de Oliveira, Zanardi; //Phys. Rev. A// **81**, 032336 (2010).\\ | Typicality in random matrix product states. Garnerone, de Oliveira, Zanardi; //Phys. Rev. A// **81**, 032336 (2010).\\ | ||
| Statistical properties of random matrix product states. Garnerone, de Oliveira, Zanardi, Haas; //Phys. Rev. A// **82**, 052312 (2010). | Statistical properties of random matrix product states. Garnerone, de Oliveira, Zanardi, Haas; //Phys. Rev. A// **82**, 052312 (2010). | ||
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